* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: rgb(255, 238, 206);
}

ul li {
    list-style: none;
}

a {
    text-decoration: none;
}

.search_box {
    position: relative;
    width: 375px;
    height: 35px;
    margin: 100px auto;
    border-radius: 0 20px 20px 0;
    overflow: hidden;
}

/* 搜索框... */
.search_box .search_bar {
    float: left;
    padding-left: 10px;
    width: 375px;
    height: 35px;
    outline: none;
    font-size: 14px;
    border: 1px solid rgb(255, 66, 145);
    border-radius: 20px;
    background-color: rgb(255, 238, 251);
    transform: translateX(325px);
    transition: transform .3s ease 0s;
}

/* 搜索框end */
/* 搜索按钮... */
.search_box .search_btn {
    position: absolute;
    margin-left: -50px;
    float: right;
    width: 50px;
    height: 35px;
    outline: none;
    border: 0;
    border-radius: 20px;
    background-color: rgb(255, 66, 145);
    cursor: pointer;
}

.search_box .search_btn:hover {
    position: absolute;
    margin-left: -50px;
    float: right;
    width: 50px;
    height: 35px;
    outline: none;
    border: 0;
    border-radius: 20px;
    background-color: rgb(255, 66, 145);
    cursor: pointer;
    animation: btnMove .3s ease;
}

@keyframes btnMove {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(0.75);
    }

    100% {
        transform: scale(1);
    }
}

.search_box .search_btn .circle {
    position: absolute;
    top: 4px;
    right: 11px;
    width: 18px;
    height: 18px;
    z-index: 2;
    border: 3px solid #fff;
    border-radius: 50px;
}

.search_box .search_btn .bar {
    position: absolute;
    top: 16px;
    right: 26px;
    width: 5px;
    height: 15px;
    z-index: 2;
    border: 3px solid #fff;
    border-radius: 20px;
    transform: rotate(40deg);
}
/* 搜索按钮end */